It removes the UI-blocking pop-up window that would appear when calling
org.eclipse.lsp4e.LanguageServerWrapper.getInitializedServer()
from a UI thread.
A progress indicator reflecting the status of the server's
initialization will still be displayed in the "Progress" view.
This commit follows up on the discussion started at https://github.com/eclipse/lsp4e/pull/947#discussion_r1526226952.
It removes the UI-blocking pop-up window that would appear when calling org.eclipse.lsp4e.LanguageServerWrapper.getInitializedServer() from a UI thread.
A progress indicator reflecting the status of the server's initialization will still be displayed in the "Progress" view.